January weather - Winter 2024

Weather in January
Frequently asked questions
Average temperature in January
Average pressure in January
Average wind speed in January
Average humidity in January
Average rainfall in January
Average rainfall days in January
Average snowfall in January
Average snowfall days in January
Average daylight in January
Average sunshine in January
Average sunshine days in January
Average UV index in January
Average cloud cover in January
Average visibility in January

Corbin Park on the banks of the Spokane River flowing downstream in Post Falls, Idaho, USA

Weather in January

January ushers in the coldest temperatures in Post Falls, Idaho, with the lowest average low of 21.6°F (-5.8°C). This month is known for its constant snowfall, clear nights showing off brilliant constellations, and shimmering icy landscapes under the crisp winter sun. Transitioning from December, January experiences a slight decrease in sunlight hours but maintains a relatively high humidity. Venturing outdoors might require layers of clothing to stay warm. As January progresses, residents longingly watch the gradually lengthening days in anticipation of spring's approach.

Temperature

The arrival of January records an average high-temperature of a cold 32.7°F (0.4°C), closely related to the 31.3°F (-0.4°C) observed in December. Throughout January, an average nighttime temperature of 21.6°F (-5.8°C) is experienced.

Humidity

The most humid month in Post Falls is January, with an average relative humidity of 93%.

Rainfall

The month with the most rainfall in Post Falls, Idaho, is January, when the rain falls for 11.5 days and typically aggregates up to 3.27" (83mm) of precipitation.

Snowfall

Months with snowfall in Post Falls are January through May, September through December. January is the month with the most snowfall in Post Falls. Snow falls for 16.4 days and accumulates 16.57" (421mm) of snow.

Daylight

In Post Falls, the average length of the day in January is 8h and 56min.
On the first day of the month, sunrise is at 7:36 am and sunset at 4:06 pm. On the last day of January, sunrise is at 7:15 am and sunset at 4:46 pm PST.

Sunshine

In January, the average sunshine in Post Falls, Idaho, is 3.5h.

UV index

In January, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index of 2 during January translates into the following directions:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.

[Resources]

Frequently asked questions

How cold is it in Post Falls in January?

January temperatures in Post Falls, Idaho, vary between a high-temperature of 32.7°F (0.4°C) and a low-temperature of 21.6°F (-5.8°C).

What is the most humid month in Post Falls?

The most humid month is January, with an average relative humidity of 93%.

What is the average humidity in January in Post Falls?

The average relative humidity in January in Post Falls is 93%.

What is the wettest month in Post Falls?

The month with the most rainfall is January, when the rain falls for 11.5 days and typically aggregates up to 3.27" (83mm) of precipitation.

How much does it rain in Post Falls in January?

In Post Falls, Idaho, in January, it is raining for 11.5 days, with typically 3.27" (83mm) of accumulated precipitation.

When does it snow the most in Post Falls?

The month with the most snowfall in Post Falls is January, when snow falls for 16.4 days and typically aggregates up to 16.57" (421mm) of snow.

How many days does it snow in January in Post Falls?

In January, in Post Falls, it is snowing for 16.4 days. Throughout January, 16.57" (421mm) of snow is accumulated.

What is the average length of the day in January in Post Falls?

In Post Falls, Idaho, the average day length in January is 8h and 56min.

What time are sunrise and sunset in January in Post Falls?

On the first day of January, sunrise is at 7:36 am and sunset at 4:06 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 4:46 pm PST.

How long on average sun shines in January in Post Falls?

The average sunshine duration in January in Post Falls is 3.5h.

What is the UV index intensity in January in Post Falls?

The average daily maximum UV index in January in Post Falls is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year January F M A M J J A S O N D

Dec

January

Feb

Average high temperature

31.3°F -0.4°C

32.7°F 0.4°C

35.2°F 1.8°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

4.3mph 6.9km/h

4.5mph 7.2km/h

4.9mph 7.9km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

9.9

8.6

Average UV index

Average cloud cover

Average visibility

Average temperature in January
Post Falls, ID

Average high temperature in January: 32.7°F

The warmest month (with the highest average high temperature) is August (82°F).
The month with the lowest average high temperature is December (31.3°F).

Average low temperature in January: 21.6°F

The month with the highest average low temperature is August (51.8°F).
The coldest month (with the lowest average low temperature) is December (21.2°F).

[Resources]

Average pressure in January
Post Falls, ID

Average pressure in January: 30.19"Hg

The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).

[Resources]

Average wind speed in January
Post Falls, ID

Average wind speed in January: 4mph

The windiest month (with the highest average wind speed) is April (5mph).
The calmest month (with the lowest average wind speed) is December (3.9mph).

[Resources]

Average humidity in January
Post Falls, ID

Average humidity in January: 93%

The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is August (48%).

[Resources]

Average rainfall in January
Post Falls, ID

Average rainfall in January: 3.27"

The wettest month (with the highest rainfall) is January (3.27").
The driest months (with the least rainfall) are July and August (0.43").

[Resources]

Average rainfall days in January
Post Falls, ID

Average rainfall days in January: 11.5 days

The month with the highest number of rainy days is March (17.5 days).
The month with the least rainy days is August (5.6 days).

[Resources]

Average snowfall in January
Post Falls, ID

Average snowfall in January: 16.57"

The month with the highest snowfall is January (16.57").
The months with the least snowfall are June, July and August (0").

[Resources]

Average snowfall days in January
Post Falls, ID

Average snowfall days in January: 16.4 days

The month with the highest number of snowfall days is December (16.9 days).
The months with the least snowfall days are June, July and August (0 days).

[Resources]

Average daylight in January /
Average sunshine in January
Post Falls, ID

Average daylight in January: 8h and 5min

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).

Average sunshine in January: 3h and 3min

The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).

[Resources]

Average sunshine days in January
Post Falls, ID

Average sunshine days in January: 11 days

The month with the most sunshine days is July (23.9 days).
The month with the least sunshine days is February (8.6 days).

[Resources]

Average UV index in January
Post Falls, ID

Average UV index in January: 2

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are February, November and December (UV index 1).

[Resources]

Average cloud cover in January
Post Falls, ID

Average cloud cover in January: 65

The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 13).

[Resources]

Average visibility in January
Post Falls, ID

Average visibility in January: 3mi

The months with the highest visibility are May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (3mi).

[Resources]

January weather forecast
Post Falls, ID

Contents